Ricoh D146 Service Manual page 588

Service Call 700-792
SC No. Level
SC721-33 B
SC721-41 B
SC721-42 B
D146/D147/D148/D149/D150
Error Name/Error Condition/Major Cause/Solution
Strike Roller Motor Error (1K sheet finisher)
Release Motor Error (1K sheet finisher)
§
During movement to home, the home position could not be
detected within a predetermined pulse (p0 pulse) (1st time
is jam notification, 2nd time is SC notification).
§
During movement from home, the home position was
detected even after a predetermined pulse (p1 pulse)
elapsed (1st time is jam notification, 2nd time is SC
notification).
The return pulse to home and pulse coming from home during
normal operation are calculated and measured. The pulses
which are 1.5-2 times the normal operation pulse are taken as
p0 and p1.
Stapler Displacement Motor Error (1K sheet finisher)
§
During movement to home, the home position could not be
detected within a predetermined pulse (p0 pulse) (1st time
is jam notification, 2nd time is SC notification).
§
During movement from home, the home position was
detected even after a predetermined pulse (p1 pulse)
elapsed (1st time is jam notification, 2nd time is SC
notification).
§
During movement from home, retreat sensor ON could not
be detected even after a predetermined pulse (p2 pulse)
elapsed (1st time is jam notification, 2nd time is SC
notification).
§
During initialization, retreat sensor ON was detected
simultaneously when the home position is detected (1st
time is jam notification, 2nd time is SC notification).
The return pulse to home and pulse coming from home during
normal operation are calculated and measured. The pulses
which are 1.5-2 times the normal operation pulse are taken as
p0, p1 and p2.
5-114 SM